diff --git a/src/emcee/moves/de_snooker.py b/src/emcee/moves/de_snooker.py
index 0b53efa4..00d5c50a 100644
--- a/src/emcee/moves/de_snooker.py
+++ b/src/emcee/moves/de_snooker.py
@@ -32,7 +32,7 @@ def get_proposal(self, s, c, random):
         Ns = len(s)
         Nc = list(map(len, c))
         ndim = s.shape[1]
-        q = np.empty((Ns, ndim), dtype=np.float64)
+        q = np.empty_like(s)
         metropolis = np.empty(Ns, dtype=np.float64)
         for i in range(Ns):
             w = np.array([c[j][random.randint(Nc[j])] for j in range(3)])
diff --git a/src/emcee/moves/walk.py b/src/emcee/moves/walk.py
index e2a96729..b83e066e 100644
--- a/src/emcee/moves/walk.py
+++ b/src/emcee/moves/walk.py
@@ -28,7 +28,7 @@ def get_proposal(self, s, c, random):
         c = np.concatenate(c, axis=0)
         Ns, Nc = len(s), len(c)
         ndim = s.shape[1]
-        q = np.empty((Ns, ndim), dtype=np.float64)
+        q = np.empty_like(s)
         s0 = Nc if self.s is None else self.s
         for i in range(Ns):
             inds = random.choice(Nc, s0, replace=False)